18763200000 has 360 divisors, whose sum is σ = 67737445776. Its totient is φ = 4999680000.

The previous prime is 18763199989. The next prime is 18763200059. The reversal of 18763200000 is 236781.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14399349 + ... + 14400651.

Almost surely, 2^18763200000 is an apocalyptic number.

18763200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18763200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868722888).

18763200000 is an abundant number, since it is smaller than the sum of its proper divisors (48974245776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18763200000 is an frugal number, since it uses more digits than its factorization.

18763200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 18763200000 its reverse (236781), we get a palindrome (18763436781).

The spelling of 18763200000 in words is "eighteen billion, seven hundred sixty-three million, two hundred thousand".